Allow continued use of most of pathing even if entity tracker fails

The failing entity tracker really only breaks spectator keyframes.
This is also very desirable for minimal mode where entity tracker
failure is highly likely.

src/main/java/com/replaymod/simplepathing/gui/GuiKeyframeTimeline.java

@@ -272,7 +272,7 @@ public class GuiKeyframeTimeline extends AbstractGuiTimeline<GuiKeyframeTimeline
             }
         }
         if (actuallyDragging) {
-            if (!gui.ensureEntityTracker(() -> mouseDrag(position, button, timeSinceLastCall))) return true;
+            if (!gui.loadEntityTracker(() -> mouseDrag(position, button, timeSinceLastCall))) return true;
             // Threshold passed
             SPTimeline timeline = gui.getMod().getCurrentTimeline();
             Point mouse = new Point(position);